Structural diversity and representativeness of forest vegetation in a protected area of Kumaun Himalaya, India: implications for conservation

altitud altitude arbre forestier arbuste arbustos biodiversidad biodiversity bosques botanical composition composition botanique conservation de la nature forest trees forests highlands nature conservation nature reserves pinus roxburghii population structure quercus quercus pubescens reservas naturales shrubs sinecologia species diversity stand characteristics structure de la population synecology vegetation